package com.example.tests;

import static org.junit.Assert.assertThat;
import static org.hamcrest.Matchers.*;

import java.util.Random;

import org.testng.annotations.Test;

import com.example.utils.SortedListOf;

public class GroupRemovalTests extends TestBase {
  
  @Test
  public void deleteSomeGroup() {
    // save old state
    SortedListOf<GroupData> oldList = app.getGroupHelper().getGroups();
    
    Random rnd = new Random();
    int index = rnd.nextInt(oldList.size()-1);

    // actions
    app.getGroupHelper().deleteGroup(index);
    
    // save new state
    SortedListOf<GroupData> newList = app.getGroupHelper().getGroups();
    
    // compare states
    assertThat(newList, equalTo(oldList.without(index)));
  }

}
